\nbPointsRegular{10}A partir de la gráfica que aparece correspondiente a una función
  $y = f(x)$, representa $y = f(x)+1$ e $y = -f(x)$.

\begin{center}
\ifpdf
\includegraphics[width=7cm]{S6P3/2021_December/2021_12_S6P3_EEB1_ES_ExoA2_IMG1.jpg}
\else
\psset{unit=0.6cm}
\def\xMin{-6}
\def\xMax{6}
\def\yMin{-6}
\def\yMax{6}
\begin{pspicture}(\xMin,\yMin)(\xMax,\yMax)
\psgrid[subgriddiv=0,gridwidth=.3pt,gridcolor=black,gridlabels=0pt]
\psaxes[linewidth=1.5pt,Dx=1,Dy=1]{->}(0,0)(\xMin,\yMin)(\xMax,\yMax)
\psclip{\psframe[linestyle=none](\xMin,\yMin)(\xMax,\yMax)}%
    \psplot[algebraic,linewidth=1.5pt,linecolor=blue,plotpoints=5000]{\xMin}{\xMax}%
	{-1/2*x^2-1}
\endpsclip
\uput[ul](\xMax,0){x} \uput[dr](0,\yMax){y}
\end{pspicture}

{\begin{tabular}{m{7cm}@{\hspace{.5cm}}m{7cm}}
\textbf{1.} $y = f(x) + 1$ & \textbf{2.} $y = -f(x)$ \\
\ifpdf
\includegraphics[width=7cm]{S6P3/2021_December/2021_12_S6P3_EEB1_ES_ExoA2_IMG2.jpg}
\else
\psset{unit=0.6cm}
\def\xMin{-6}
\def\xMax{6}
\def\yMin{-6}
\def\yMax{6}
\begin{pspicture}(\xMin,\yMin)(\xMax,\yMax)
\psgrid[subgriddiv=0,gridwidth=.3pt,gridcolor=black,gridlabels=0pt]
\psaxes[linewidth=1.5pt,Dx=1,Dy=1]{->}(0,0)(\xMin,\yMin)(\xMax,\yMax)
\uput[ul](\xMax,0){x} \uput[dr](0,\yMax){y}
\end{pspicture}
&
\ifpdf
\includegraphics[width=7cm]{S6P3/2021_December/2021_12_S6P3_EEB1_ES_ExoA2_IMG2.jpg}
\else
\psset{unit=0.6cm}
\def\xMin{-6}
\def\xMax{6}
\def\yMin{-6}
\def\yMax{6}
\begin{pspicture}(\xMin,\yMin)(\xMax,\yMax)
\psgrid[subgriddiv=0,gridwidth=.3pt,gridcolor=black,gridlabels=0pt]
\psaxes[linewidth=1.5pt,Dx=1,Dy=1]{->}(0,0)(\xMin,\yMin)(\xMax,\yMax)
\uput[ul](\xMax,0){x} \uput[dr](0,\yMax){y}
\end{pspicture}
\\
\end{tabular}}
\end{center}
